The phrase "butt muscles" refers to the muscles that are located in your buttocks. These muscles help you move and support your body when you walk, run, or sit. Full definition
This way, you totally fatigue your entire leg and butt muscles in a short amount of time. (ashotofadrenaline.net)
As you lower, you should feel your hamstrings and middle and lower butt muscles engaging — not your upper legs and knees. (dailyburn.com)
But here we will concentrate on the specific butt building exercises, plan workouts designed to build even the most stubborn butt muscles. (exercisegoals.com)